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JAMB Biology 2009 Question 47

Question 47

Adaptation

Which of the following animals is most adapted for water conservation?

  1. A.Earthworms
  2. B.Mammals
  3. C.Flatworms
  4. D.Insects.
Show the answer and explanation

Answer: D (Insects.)

Explanation

Insects have a waxy waterproof cuticle, spiracles that can close, and they excrete almost dry uric acid, so they lose very little water.